MAP04: The Corruption (Attack on IO)

MAP04: The Corruption is the fourth map of Attack on IO. It was designed by Brian Irving (Bri) and uses the music track "Briefing" by Dan Wentz from . The par time defined in MAPINFO is 8:20.

Secrets

 * 1) In the BFG9000 room, head to the west side of the southwest column and use the button to open the west corridor, with an energy cell pack (Ultra-Violence or higher only) and a megasphere. (sector 152)
 * 2) Get the yellow key and look northwest. Shoot the red button to turn it green, then head west and north to a new room with a green armor, a medikit, and boxes of rockets. (sector 1180)
 * 3) At the north section of the east area where the switch is, fall to the south to teleport to the central pillar with energy cells, a plasma gun, and stimpacks. (sector 1604)
 * 4) At the east end of the east area, head north from the pentagram, then west and jump south to a megaarmor and a box of ammo. (sector 1791)

Current records
The records for the map at the Doom Speed Demo Archive are:

The (absence of) data was last verified in its entirety on June 19, 2022.

Things
This level contains the following numbers of things per skill level: